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Uses common entailment regimes and understands their uses.

RDF Homework Exercises

This document contains several "written" and "electronic" homework questions originally from the course "Semantic Web Topics" at LeHigh University. They include: Translating an RDF Graph [...]

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By |January 20th, 2017|Comments Off on RDF Homework Exercises

SPARQL and Linked Data Homework Exercises

This document contains several "written" and "electronic" homework questions originally from the course "Semantic Web Topics" at LeHigh University. They include: Write a series of [...]

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By |January 20th, 2017|Comments Off on SPARQL and Linked Data Homework Exercises

Querying Linked Data

This module looks in great detail at SPARQL and introduces approaches for querying and updating semantic data. It covers the SPARQL algebra, the SPARQL 1.1 [...]

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By |October 20th, 2016|Comments Off on Querying Linked Data

On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes

This presentation covers the semantics of SPARQL queries with optional matching features under entailment regimes. It argues that normative semantics may lead to answers that [...]

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By |January 16th, 2016|Comments Off on On the Semantics of SPARQL Queries with Optional Matching under Entailment Regimes

Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime

This video presents an extension of the ontology-based data access platform Ontop that supports answering SPARQL queries under the OWL 2 QL direct semantics entailment [...]

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By |January 16th, 2016|Comments Off on Answering SPARQL Queries over Databases under OWL 2 QL Entailment Regime

RDF, SPARQL and Semantic Repositories

This massive slide presentation covers a LOT of ground, including. It begins with the benefits of using RDF, RDFS/OWL entailment rules and how they can [...]

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By |October 9th, 2015|Comments Off on RDF, SPARQL and Semantic Repositories

Answering Queries Over OWL Ontologies with SPARQL

This slide presentation discusses the various types of RDF Schema and OWL entailment regimes defined by SPARQL 1.1. It highlights where limitations and restrictions exist [...]

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By |September 15th, 2015|Comments Off on Answering Queries Over OWL Ontologies with SPARQL

IRIS RDFS Reasoner

The RDFS Reasoner is a framework that enables reasoning over RDF Schema ontologies and that uses IRIS as underlying reasoning engine. The RDFS Reasoner implementation [...]

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By |September 15th, 2015|Comments Off on IRIS RDFS Reasoner

RDF and Logic: Reasoning and Extension

This paper explores embedding the various kinds of RDF entailment in F-Logic. It shows that the embedding of simple, RDF, and RDFS entailment, as well [...]

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By |September 15th, 2015|Comments Off on RDF and Logic: Reasoning and Extension

Expressive Languages for Querying the Semantic Web

SPARQL 1.1 was recently released, which includes entailment regimes for RDFS and OWL vocabularies and a mechanism to express navigation patterns through regular expressions. Unfortunately, [...]

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By |September 15th, 2015|Comments Off on Expressive Languages for Querying the Semantic Web